chained sarkaz girl
受缚之血 束縛された血族(アークナイツ) Shackled_Bloodline
An unnamed Sarkaz girl from the second Arknights Integrated Strategies, "Crimson Solitaire", or just "IS2".
She first appears in the encounter node "Shackled Bloodline" that triggers a battle similar to that of an unidentified Cautus girl from the encounter node "Damsel In Distress" in the first Integrated Strategies, "Ceobe's Fungimist", or just "IS1", she later appears in the encounter node "Dancing Chests" in the third Integrated Strategies, "Mizuki & Caerula Arbor", or just "IS3", but triggers a different battle(unconfirmed if this is the exact same character or someone similar).
"Basket Sarkaz Lady"s' encounter node "Northwind Witch" from the fourth Integrated Strategies, "Expeditioner's Jǫklumarkar", or just "IS4", triggers a similar battle.
Typically has black horns, grey hair, overall black clothes with a black ascot and asymmetrical legwear with pointy ears, red eyes visible through twintailed hair and often has chained wrists to a pillar.